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The Royal Aeronautical Society, official record keeper for such things, announced in an August 8 press release, “Taking off from Arizona, US on 11 July, Airbus Defense’s solar-powered UAV (unpiloted aerial vehicle), the British-built Zephyr S, has smashed the existing endurance record for unrefueled, unmanned flight by staying aloft for 25 days, 23 hours and 57 minutes. This, the maiden flight of the production Zephyr S HAPS (high altitude pseudo satellite) for the UK MoD (United Kingdom Ministry of Defense), once verified, almost doubles the existing endurance flight record of 14 days, 22 minutes for UAVs, set by a previous Zephyr prototype in 2010. The solar-powered Zephyr UAV, which weighs less than 75 [kilograms – 165 pounds], flies at 70,000ft, …

What’s the HAPS, Guys? Airbus and Williams Advanced Engineering, two heavy hitters with the world’s largest commercial airliner and the world’s fastest formula electric cars, are collaborating on making a light, slow airplane stay up indefinitely. Their memorandum of understanding (MOU) seeks to integrate Williams’ demonstrated abilities with “ultra-lightweight materials, battery technologies and electrical cell chemistries… in… Airbus’ Zephyr High Altitude Pseudo-Satellite (HAPS) program.” Airbus Defense and Space has worked with Sion Power Corporation since 2015 to use Sion’s proprietary lithium-Sulfur (Li-S) batteries for use in Airbus’ Zephyr aircraft. The current Zephyr S is the latest iteration of a series of solar-powered, unmanned aerial systems (UAS) that will fly at 65,000 feet for months at a time. High Over Dubai …

Richard Glassock, a long-time contributor to the blog and now a Research Fellow in Hybrid Propulsion Systems for Aircraft at the Institute for Aerospace Technology, the University of Nottingham, England, shared this news about an Airbus-sponsored contest for cargo drone designs. Local Motors, well known for its 3D-printed automobiles, and Airbus Group, well known for its range of commercial and military aircraft, just completed a design contest that drew 425 entries. Rewards were significant for the top three places in the competition, with a main award First Place prize of $50,000, a trip to the Farnborough Airshow in England, and a “1-of-a-kind Cargo Drone Flight Jacket with personalized patch.” Second place earned the winner $20,000 and third place $10,000, with …